| Place Name | Irmo |
| Place Type | Town |
| ZIP Code(s) | 29063 |
| County | Richland County Lexington County |
| Area Code(s) | 803 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 11,221 |
| Population Growth Rate (2010-19) | 4.25% |
| Majority Ethnicity | White 67.7% |
| Metro/Micro Stats Area | Columbia, SC |
| US Congressional District(s) | South Carolina 2nd |
| State House Districts | 71,73,85 |
| State Senate Districts | 18,19,20 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 67.7% |
| African American | 25.87% |
| Hispanic | 0.03% |
| Asian | 3.9% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 2.51% |